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USN-5701-1: Jinja2 vulnerability

26 October 2022

Jinja2 could be made to hang if it received specially crafted input.

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Releases

Packages

  • jinja2 - small but fast and easy to use stand-alone template engine

Details

Yeting Li discovered that Jinja2 incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

References

Related notices

  • USN-6599-1: python3-jinja2, jinja2, python-jinja2-doc, python-jinja2